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Communicated by G. Lallement
Partially supported by NSERC.
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Brown, T.C. Cancellation in semigroups in which X2=X3 . Semigroup Forum 41, 49–53 (1990). https://doi.org/10.1007/BF02573377
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DOI: https://doi.org/10.1007/BF02573377